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[PATCH] uml: redo console locking

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Fix some console locking problems (including scheduling in atomic) and various
reorderings and cleanup in that code.  Not yet ready for 2.6.12 probably.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Paolo 'Blaisorblade' Giarrusso
2005-05-01 08:58:56 -07:00
committed by Linus Torvalds
parent 80f9507886
commit b97b77cca6
5 changed files with 239 additions and 175 deletions
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16
arch/um/drivers/chan_kern.c
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@@ -22,7 +22,7 @@
#ifdef CONFIG_NOCONFIG_CHAN
static void *not_configged_init(char *str, int device, struct chan_opts *opts)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
return(NULL);
}
@@ -30,27 +30,27 @@ static void *not_configged_init(char *str, int device, struct chan_opts *opts)
static int not_configged_open(int input, int output, int primary, void *data,
char **dev_out)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
return(-ENODEV);
}
static void not_configged_close(int fd, void *data)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
}
static int not_configged_read(int fd, char *c_out, void *data)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
return(-EIO);
}
static int not_configged_write(int fd, const char *buf, int len, void *data)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
return(-EIO);
}
@@ -58,7 +58,7 @@ static int not_configged_write(int fd, const char *buf, int len, void *data)
static int not_configged_console_write(int fd, const char *buf, int len,
void *data)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
return(-EIO);
}
@@ -66,14 +66,14 @@ static int not_configged_console_write(int fd, const char *buf, int len,
static int not_configged_window_size(int fd, void *data, unsigned short *rows,
unsigned short *cols)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
return(-ENODEV);
}
static void not_configged_free(void *data)
{
printk(KERN_ERR "Using a channel type which is configured out of "
printf(KERN_ERR "Using a channel type which is configured out of "
"UML\n");
}